Home / 447,507.91-671,261.05-132,186.25

Finding the Fourth Proportional to 447,507.91, 671,261.05 and 132,186.25

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Solution

The fourth proportional to 447,507.91, 671,261.05 and 132,186.25 is: 198,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,507.91 : 671,261.05 = 132,186.25 : x
  2. Step 2: Convert to fraction form
    447,507.91/671,261.05 = 132,186.25/x
  3. Step 3: Cross multiply
    447,507.91x = 671,261.05 × 132,186.25
  4. Step 4: Simplify right side
    447,507.91x = 88,731,480,970.56
  5. Step 5: Solve for x
    x = 88,731,480,970.56/447,507.91
  6. Step 6: Final answer
    x = 198,279.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.